Hi, We are using a Sangoma 101+ Asterisk + LIBSS7. DTMF seems to be working in all scenarios except for in the following: Asterisk -> SS7 (PSTN) If the caller calls an IVR it works fine. However if the person called enters DTMF then it is not recognized. This creates an issue where we have a call back system. Anyone seen this before ? Can it be a configuration in the set up of chan_dahdi.conf or in wanpipe1.conf ? Regards, Dovid -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-ss7/attachments/20100825/b607bb2b/attachment.htm